A113731 Number of terms in row n of A113730 when interpreted as a triangle.
1, 1, 2, 6, 27, 225, 5273, 684632, 1490340903
Offset: 1
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
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